Simple but not limited rpg book, finaly a book that i can use to improve my dming. ^^

The writher is very dedicated to his work, there is a great community around his creation (https://plus.google.com/u/0/communities/11379486942-
2304907451 , https://www.youtube.com/channel/UCCh5vto8JFstb9Sma9zV25g-
) , if you decide to buy this book you won't regret it. But, if still you hesitate just dawnoald the free quickstarter. ^^